15082-1
Methemoglobin [Mass/volume] in Blood
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Part Description
LP15729-4 Methemoglobin
Methemoglobin is a form of the oxygen-carrying protein hemoglobin, in which the iron in the heme group is in the Fe3+ state, not the Fe2+ of normal hemoglobin. Metheomglobin appears blue and is unable to carry oxygen. The NADH-dependent enzyme methemoglobin reductase (AKA diaphorase I) is responsible for converting methemoglobin back to hemoglobin. Normally 1-2% of people's hemoglobin is methemoglobin, a higher percentage than this can be genetic or caused by exposure to various chemicals and depending on the level can cause health problems. A higher level of methemoglobin will tend to cause a pulse oximeter to read closer to 85% regardless of the true level of oxygen saturation. Methemoglobinemia can be caused by genetic abnormalities such as diaphorase I deficiency, or abnormal hemoglobin variants. It can also be caused by certain oxidizing drugs (benzocaine), antibiotics (trimethoprim or sulfanamides), analine dyes, metoclopramide, chlorates, bromates, and nitrates. Infants under 6 months are particularly susceptible when exposed to nitrates, benzocaine, or even dehydration. Methemoglobinemia can be treated with supplemental oxygen and methylene blue.
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Source: Wikipedia,
Methemoglobin (Wikipedia)
LOINC Names Get Info
- Fully-Specified Name
- Methemoglobin:
MCnc: Pt: Bld: Qn: - Long Common Name
- Methemoglobin [Mass/volume] in Blood
- Short Name
- MetHgb Bld-mCnc
- Display Name
- Methemoglobin (Bld) [Mass/Vol]
- Consumer Name Alpha Get Info
- Methemoglobin, Blood
Part Model Get Info
Basic Attributes
- Class
- CHEM
- Type
- Laboratory
- First Released
- Version 1.0k
- Last Updated
- Version 2.73 (MIN)
- Order vs. Observation
- Both
- Common Test Rank Get Info
- 1838
Member of these Groups Get Info
| LOINC Group | Group Name |
|---|---|
| LG49047-0 | Methemoglobin| |
Language Variants Get Info
| Tag | Language | Translation |
|---|---|---|
| ar-JO | Arabic (Jordan) | الميثيموغلوبين في الدم ( بتقنية الكتلة / الحجم ) |
| cs-CZ | Czech (Czechia) | Methemoglobin: |
| de-DE | German (Germany) | Methämoglobin: |
| el-GR | Greek (Greece) | Μεθαιμοσφαιρίνη: Synonyms: CHEM MCnc Pt Qn Αίμα Μεθαιμοσφαιρίνη |
| es-AR | Spanish (Argentina) | metahemoglobina: |
| es-ES | Spanish (Spain) | Metahemoglobina: Synonyms: Cuantitativo |
| es-MX | Spanish (Mexico) | Metahemoglobina: |
| et-EE | Estonian (Estonia) | Methemoglobiin: Synonyms: Juhuslik Kvantitatiivne Veri |
| fr-CA | French (Canada) | Méthémoglobine: |
| fr-FR | French (France) | Méthémoglobine: |
| fr-BE | French (Belgium) | Méthémoglobine: |
| it-IT | Italian (Italy) | Metaemoglobina: Synonyms: Chimica Concentrazione di Massa Metemoglobina Punto nel tempo (episodio) Sangue |
| ko-KR | Korean (Korea, Republic Of) | 메트헤모글로빈: |
| nl-NL | Dutch (Netherlands) | methemoglobine: |
| pl-PL | Polish (Poland) | Methemoglobina: Synonyms: Methemoglobina |
| pt-BR | Portuguese (Brazil) | Metahemoglobina: Synonyms: ; |
| ru-RU | Russian (Russian Federation) | Метгемогломин: Synonyms: Количественный Кровь Массовая концентрация Точка во времени; |
| tr-TR | Turkish (Turkey) | Methemoglobin: |
| zh-CN | Chinese (China) | 高铁血红蛋白: Synonyms: Hi; |
Example Units
| Unit | Source |
|---|---|
| g/dL | REGENSTRIEF |
| g/L | Example UCUM Units |
| g/L | eCHN |
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LOINC Copyright
Copyright © Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://